title: Anti-factor XI, direct positive Coombs's test and recurrent abortion in a systemic lupus erythematosus.
mesh_terms: D000026:Abortion, Habitual / Q000209:etiology*; D000328:Adult; D001778:Blood Coagulation Disorders / Q000209:etiology*; D003298:Coombs Test; D005172:Factor XI; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications*; D011247:Pregnancy
chemical_list: D005172:Factor XI